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AHJs Use NFPA 790 & 791 to Qualify Labs for Electrical Equipment Field Evaluations

Authorities Having Jurisdiction (AHJs) in the United States have typically used the National Electrical Code, NFPA 70, as the basis for approving electrical equipment installations in the United Sates. Much of the Code relies on having products manufactured and certified by a recognized testing laboratory to consensus-based U.S. product safety standards. In Canada, the AHJs... Read More

MIL-STD-461 for Military EMC & GR-1089-CORE for NEBS Telecom EMC Share Some Requirements

The electromagnetic compatibility (EMC) requirements for telecom and military equipment are considered among the most difficult to meet for any industry.  Not many electronics manufacturers conduct testing for both requirements, but it happens occasionally.  For those who do, it’s an advantage to pursue both at the same time, as there is some overlap.  Following is... Read More

For Product Safety Approvals, Uncertified and Improperly-Rated Components Require Surveillance

Electrical/electronic equipment manufacturers often ask if it is acceptable to use uncertified or improperly rated components in their products.  The following Frequently Asked Questions address the implications of using these components for North America product safety approvals.  What is an uncertified component? Any safety critical component that is not certified by a suitably accredited agency... Read More

MIL-STD-461 EMC Testing FAQs for Military and Marketing Requirements

MIL-STD-461 is the standard that defines the test limits, test levels, and test procedure for various electromagnetic phenomena for electronic equipment used by the U.S. Army, Navy, and Air Force on all platforms (ground, sea, and air).  MIL-STD-461F is the latest version.  Following are answers to common questions about this often-utilized military EMC standard. Where... Read More

IEC 60601-1 3rd Edition for Medical Electrical Equipment Continues to Gain Adoption in Global Markets

The 3rd edition of IEC 60601, issued in 2005, is in various states of adoption by regulatory bodies around the world.  IEC 60601-1 is the harmonized standard for medical electrical equipment recognized by public health authorities in most countries.  Unlike 2nd edition, the 3rd edition requires a risk management file and process conforming to ISO... Read More

OSHA Close to Authorizing NRTL Certification to ANSI/AAMI ES60601-1 for Medical Equipment

After a long wait, medical electrical equipment manufacturers are looking forward to the Occupational Safety & Health Administration’s (OSHA) expected near-term recognition of one or more labs – including MET Labs – for product safety certifying medical devices to ANSI/AAMI ES60601-1:2005/(R)2012 under the U.S. Nationally Recognized Testing Laboratory (NRTL) Program. In March 2014, OSHA announced... Read More

FCC Part 15 DFS Testing Requirements Change for U-NII Devices

To accommodate changes in the Federal Communication Commission’s (FCC) Docket 13-49, the Dynamic Frequency Selection (DFS) test procedure document KDB 905462 D02 UNII DFS Compliance Procedures New Rules has been issued.  The document describes the compliance measurement procedures for performing DFS tests under FCC Part 15 Subpart E Rules required for U-NII (Unlicensed –National Information... Read More